a recent audit revealed the unnamed department of education employee spend the bulk of his time posting comments on the "sacramento bee"'s website. he posted nearly 5,000 of them in a year all during business hours. >> he is, you know, using the taxpayer's time to basically voice his opinions on, you know, whatever it was that he, you know, struck his fancy. >> when questioned, the worker claimed that he didn't have enough to do during the day to stay busy. he was never formally disciplined and continued to post until he eventually quit. the department has now installed software to restrict unauthorized employee activity on social media websites. >>> a tumultuous day in michigan as the state's governor signed bills making it the nation's 24th "right to work" state. cbs reporter randall pinkston was in lansing as tens of thousands of union supporters protested at the state capital. >> reporter: police clashed with union supporters who are angry over new legislation that makes michigan a "right to work" state. >> one of them grabbed me by the head and another sprayed me in the face. >> re